4-Iodobutyl acetate
4-Iodobutyl acetate (CAS 40596-44-9), with the linear formula CH3CO2(CH2)4I and a molecular weight of 242.05 g/mol, is a chemical intermediate supplied by Tech Serve Solutions. This technical grade compound, assaying at 85%, serves as a valuable building block in organic synthesis. Its primary applications involve its use in the preparation of various phosphonium iodide derivatives, contributing to complex chemical structures and research endeavours.
- IUPAC
- 1-Acetoxy-4-iodobutane

Synthesis of Phosphonium Iodides
4-Iodobutyl acetate is utilised in the preparation of specialised phosphonium iodide compounds. Examples include tricyclohexyl(acetoxybutyl))phosphonium iodide and tri-n-hexyl(acetoxybutyl))phosphonium iodide.
Organic Building Block
As an ester and an organic halide, this compound functions as a versatile building block in organic synthesis. It can be incorporated into more complex molecules, facilitating the construction of novel chemical entities.
Chemical Synthesis Intermediate
The presence of both an ester group and a reactive iodine atom makes 4-Iodobutyl acetate a useful intermediate in multi-step chemical synthesis pathways, particularly where specific functional group manipulation is required.
| Molecular weight | 242.05 |
|---|---|
| Linear formula | CH3CO2(CH2)4I |
| Assay | 85% |
| Grade | technical grade |
| Boiling point | 94-95 °C/5.5 mmHg(lit.) |
| Density | 1.61 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.497(lit.) |
| Contains / stabiliser | copper as stabilizer |
| Application | 4-Iodobutyl acetate has been used in the preparation of:• tricyclohexyl(acetoxybutyl))phosphonium iodide1• tri-n-hexyl(acetoxybutyl))phosphonium iodide1 |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 91 °C / 195.8 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4-Iodobutyl acetate primarily used for?
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4-Iodobutyl acetate is primarily used as a building block in organic synthesis, notably in the preparation of phosphonium iodide derivatives.
What are the CAS number and chemical formula for 4-Iodobutyl acetate?
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The CAS number for 4-Iodobutyl acetate is 40596-44-9, and its linear formula is CH3CO2(CH2)4I.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Iodobutyl acetate in technical grade with an assay of 85%. We do not represent this product as USP, BP, or EP grade.
What are the safety considerations when handling 4-Iodobutyl acetate?
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4-Iodobutyl acetate is a Warning substance (GHS07) and is associated with hazard statements H315, H319, and H335, indicating it can cause skin irritation, serious eye irritation, and respiratory irritation. Appropriate personal protective equipment, including eyeshields and suitable gloves, should be used, and handling should occur in a well-ventilated area or fume hood.
How is 4-Iodobutyl acetate packaged and shipped?
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Tech Serve Solutions exports fine chemicals globally. Specific packaging details depend on quantity and destination, adhering to all relevant shipping regulations for hazardous materials.
How can I request a quote or sample of 4-Iodobutyl acetate?
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To request a quote or a sample of 4-Iodobutyl acetate, please contact the Tech Serve Solutions sales team via our website or direct inquiry channels.
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